Description of Eye Protective Glasses For Blue Violet Light CNC Laser With Wavelength Of 405Nm And 445Nm, Ideal For DIY Projects, Available In Red Color - PUREWORDS
glass frame. Glass lens. For Eye Safety: It is a MUST for you to wear this glass as you are working on laser, ie. Adjusting the focal length of the laser, and you can clearly see the focal point of the laser. Through wearing it, Focusing is not a difficult task. It can protect the eyes from laser damage. [Protection wavelength] 405NM, 445NM, Optical Density OD: OD+4. [Visible light transmittance] 60%. [Protection features] Absorption type comprehensive protection. [Suitable laser] :Quadruple frequency Nd:YAG laser/;Excimer laser He-cd/; YAG laser;Semiconductor laser